/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package sesion;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author AdminLocal
 */
public class validar extends HttpServlet {
   GestorUsuarios gu = null;
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        inicializarGestor(request);
        gu.guardarUsuarios();
        PrintWriter out = response.getWriter();
        Usuario u = new Usuario();
        try {
            u.setIdentificador(request.getParameter("nombre"));
            u.setPassword(request.getParameter("password"));
            if(gu.validarUsuario(u))
            {
                request.getSession().setAttribute("usuario", u);
            }
            //RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/index.jsp");
            //rd.forward(request, response);
            response.sendRedirect("index.jsp");
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private void inicializarGestor(HttpServletRequest request) {
        gu = (GestorUsuarios) request.getSession().getAttribute("gestor");
        if(gu == null)
        {
            gu = new GestorUsuarios();
            request.getSession().setAttribute("gestor", gu);
        }
    }

}
